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PROCESS EQUIPMENTS IN CHEMICAL PLANT, CHARACTERISTIC, APPLICATIONS,…

- - - - The reactants are fed into the reactor
        reactpor is started;reactans allowed to react and form product
        After specified time,process is complete;product and unreact reactants removed
        The process are repeated
  - - - Hoterogeneuous catalytic reactor
        Fludized
        Capabke of handling large amounts of feed and catalyst
    - - Also used in
        a.Oxidation of napthalene to phtalic anhydride
        b.Roasting of sulfide ores
        c.Coking of petroleum residues
        d.Calcination of linestone
  - - - relatively unifrom properties
        Open system
        operate under steady state condition
        Uniform composition
    - - Typically used in homogeneous liquid phase
        Commonly used in procees:
        a.dyes
        b.Pharmaceutical actives
        c.Adhesives
        d.Polymerization
        e.Wasrte treatment
    - - Reactants are continously into the reactor
        The reatants well mixed
        products are removed
  - - - Known as fixed bed reactor
        Used catalytic processes
        Allow reactants to glow by gravity
    - - Widely used in small scale commercial reactions
    - - Reactants enter on the top
        The reactants flow through the packed bed of catalyst
        The reactants react to form product
        Product exit the bottom
        Reactans decreases from top to bottom
  - - - known as tebular reactor
        Consist hollow pipe
        Operated at steady state
        Reactants are continually consumed as the flow down the length of reactor
    - - Common uses
        a.Gasoline production
        b.Oil cracking
        c.Synthesis of ammonia from its element
        d.Oxidation of sulfur trioxide
    - - Reactants are countinously fed into reactor
        Results in an axial concentration gradient
- - - - Used to transport fluids by the conversion of rotational kinetic energy to the
    - - makes a fluid move by trapping a fixed amount and forcing (displacing) that trapped volume
        The positive displacement pump delivers a constant volume of liquid for each cycle